﻿// Copyright (c) 2014 AlphaSierraPapa for the SharpDevelop Team
// 
// Permission is hereby granted, free of charge, to any person obtaining a copy of this
// software and associated documentation files (the "Software"), to deal in the Software
// without restriction, including without limitation the rights to use, copy, modify, merge,
// publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons
// to whom the Software is furnished to do so, subject to the following conditions:
// 
// The above copyright notice and this permission notice shall be included in all copies or
// substantial portions of the Software.
// 
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED,
// INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR
// PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE
// FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
// OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
// DEALINGS IN THE SOFTWARE.

using System;
using System.Collections.Generic;
using System.Diagnostics;
using System.Windows.Forms;

namespace ICSharpCode.SharpDevelop.Gui
{
	public class ExtTreeViewComparer : IComparer<TreeNode>
	{
		public int Compare(TreeNode x, TreeNode y)
		{
			Debug.Assert(x != null);
			Debug.Assert(y != null);
			ExtTreeNode node1 = x as ExtTreeNode;
			ExtTreeNode node2 = y as ExtTreeNode;
			
			if (node1 == null || node2 == null) {
				return x.Text.CompareTo(y.Text);
			}
			
			if (node1.SortOrder != node2.SortOrder) {
				return Math.Sign(node1.SortOrder - node2.SortOrder);
			}
			
			return node1.CompareString.CompareTo(node2.CompareString);
		}
	}
}
